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Removal of sharp foreign bodies in the aero-digestive tract may inflict iatrogenic damage to the esophagus, trachea or other vital structures in case of impalement. We describe the ‘Kangaroo’ technique for safe and effective removal of sharp objects from the upper aero-digestive tracts. Index Case 1: 1-year old boy presented to us with an open (un)safety-pin lodged in the upper esophagus. The technique...
This paper proposes and analyses a method that will increase the number of voltage level of any existing topology, only thing is load should be connected across H-bridges. In order to verify the proposed cell, various existing topologies have been simulated and analyzed. The purpose of the circuit proposed is to reduce the use of IGBT switches and hence improving the Total Harmonic Distortion.
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